Improvement in clearers for drawing-rolls



B. FQGAMB RILL a1. L'. S H ER!DAN-Z (Heaters for Drawing Rolls. N '5 93Patentedlan.12,l875.

, WITNESSES Attorneys UNITED STATES PATENT QFFICE.

BENJAMIN F. GAMBRILL AND JAMES L. SHERIDAN, OF BALTIMORE, MD.

IMPROVEMENT IN CLEARERS FOR DRAWING-ROLLS.-

Specification forming part of Letters Patent No. 1583398, dated January12, 1875; application filed November 2i, 1874.

To all whom it may concern Be it known that we, BENJAMIN F. GAM- BRILLand J AMES L. SHERIDAN, of Baltimore, in the county of Baltimore and inthe State of Maryland, have invented certain new and useful Improvementsin Drawing-Frames and Oard-Heads for Cardin g Cotton and Wool and dohereby declare that the following is a full, clear, and exactdescription thereof, reference being had to the accompanying drawingsand to the letters .of reference marked thereon, making a part of thisspecification.

Our invention relates to the ordinary drawing-frames and heads; and itconsists in a self-adjusting clearer, having beveled edges, and insertedin the cover placed over the rollers of the drawing'frame or head, aswill be hereinafter more fully set forth.

In order to enable others skilled in the art to which our inventionappertains to make and use the same, we will now proceed to describe itsconstruction and operation, referring to the annexed drawing, in whichFigure l is a side elevation of a drawingframe' or head embodying ourinvention. Fig. 2 is a plan view of the same without the clearer. Fig. 3is a transverse vertical section of Fig. 1; and Fig. 4 is a perspectiveview of the clearer.

A represents the usual frame, with rollers B B and O (J therein. 1) isthe cover placed over the rollers. Usually this cover is made on bothsides or wedge-shaped, as shown in Figs. 3 and 4. It is of course to beunderstood that if only one slot is used in the cover D, the entire barmay be inserted in said slot, and if more than two slots are made in thecover the bar should be cut with a corresponding number of projections.The under side of the cover D, as well as the beveled sides of theprojections a, are covered with cloth. The beveled edge of the clearerstrikes between the rollers O (J, which are also covered, and keeps themsmooth and clear, thereby preventing waste of material. It also preventsthe tapping of the rollers, which often occur, thereby savingconsiderable time. It dispenses with the use of varnish on the rollers,thereby saving the cost of the same. The clearer also acts as anindicator of the condition of the rollers under the cover, rising if therollers become lapped, and showing at once if anything is wrong, andthereby saving breakage of the gearing.

Having thus fully described our invention, what we claim as new, anddesire to secure by Letters Patent, is

The self-adjusting clearing-board G, having beveled edges or projectionsb, in combination with the rollers O O and the slotted cover D, allsubstantially as and for the purposes herein set forth.

In testimony that we claim the foregoing we have hereunto set our handsthis 30th day of October, 1874.

BENJAMIN F. GAMBRILL. JAMES L. SHERIDAN. Witnesses:

J. M. MAsoN, J os. B. GREENwooD.

